AimPoint 4 MOA CompML2 Sight Innovative sight with Circuit Efficiency Technology (CET) provides battery life of up to 10,000 hours Specially modified version of innovative CompC sight; designed to withstand rough physical handling and extreme temperatures For use in daylight and low light conditions; unlimited field of view and optimal light transmission; parallax-free with unlimited eye relief Measures 2.2 by 2.2 by 5.1 inches (W x H x D), 38-millimeter objective diameter, 30-millimeter tube diameter, and 7.8-ounce sight weight; submersible to 75 feet Includes limited manufacturer's warranties of two years for professional or competitive use, and ten years for personal or recreational use